old/ASM/border.asm

.model small
.code
org 100h
start:
	mov di,	158h
	mov bh,	0
cool:
	mov ah,	0bh
	mov bl,	[di]
	int 10h
	inc di
	mov ah,	01h
	int 16h
	mov cx,	0
sss:	PUSH AX
	POP	AX
	loop sss		
	jnz fend
	jmp cool
fend:	mov ah,	0bh
	mov bx,	0
	int 10h
	int 20h
end start